<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="vue.js"></script>
</head>
<body>
    <div id="demo" v-html="msg"></div>
    <script>
        var app=new Vue({
            el:'#demo',
            data:{
                msg:'<img src="logo.png">'
            }
        });
    </script>
</body>
</html>